火燵掛布[kotatsugake] cover for kotatsu
火燵布団[kotatsubuton] cover for kotatsu
引火[inka] catching fire
引火温度[inkaondo] flash temperature
引火点[inkaten] flash point

曳火弾[eikadan] tracer bullet
煙火[enka] smoke and fumes (e.g. from cooking)
遠火[toobi] distant fire
下火[shitabi] burning low
下火になる[shitabininaru] to be under control

韻脚[inkyaku] metrical foot (poet.)
下脚[kakyaku] legs
火脚[hiashi] spreading of a fire
脚韻[kyakuin] rhyme
脚気[kakke] beriberi

脚色[kyakushoku] dramatization (e.g. film)
脚線美[kyakusenbi] beauty of slender female legs
脚註[kyakuchuu] footnote
脚付き[ashitsuki] something (equipped) with legs
脚部[kyakubu] leg